Examples with MouseWheelHandler com.google.gwt.event.dom.client.MouseWheelHandler used on opensource projects

Example 1 with MouseWheelHandler

use of com.google.gwt.event.dom.client.MouseWheelHandler in project lienzo-core by ahome-it.

the class LienzoHandlerManager method addHandlers.

private final void addHandlers() {
    m_lienzo.addClickHandler(new ClickHandler() {

        @Override
        public void onClick(final ClickEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseClickEventHandle().onMouseEventBefore(event)) {
                // could have been set previously by a mousedown, it will need cleaning up
                m_dragging_mouse_pressed = false;
                m_dragging_ignore_clicks = false;
                m_dragging = false;
                return;
            }
            onNodeMouseClick(new NodeMouseClickEvent(event));
            m_mouse_button_left = (event.getNativeButton() == NativeEvent.BUTTON_LEFT);
            m_mouse_button_middle = (event.getNativeButton() == NativeEvent.BUTTON_MIDDLE);
            m_mouse_button_right = (event.getNativeButton() == NativeEvent.BUTTON_RIGHT);
            event.preventDefault();
            m_viewport.getOnEventHandlers().getOnMouseClickEventHandle().onMouseEventAfter(event);
        }
    });
    m_lienzo.addDoubleClickHandler(new DoubleClickHandler() {

        @Override
        public void onDoubleClick(final DoubleClickEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseDoubleClickEventHandle().onMouseEventBefore(event)) {
                return;
            }
            onNodeMouseDoubleClick(new NodeMouseDoubleClickEvent(event));
            m_mouse_button_left = (event.getNativeButton() == NativeEvent.BUTTON_LEFT);
            m_mouse_button_middle = (event.getNativeButton() == NativeEvent.BUTTON_MIDDLE);
            m_mouse_button_right = (event.getNativeButton() == NativeEvent.BUTTON_RIGHT);
            event.preventDefault();
            m_viewport.getOnEventHandlers().getOnMouseDoubleClickEventHandle().onMouseEventBefore(event);
        }
    });
    m_lienzo.addMouseMoveHandler(new MouseMoveHandler() {

        @Override
        public void onMouseMove(final MouseMoveEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseMoveEventHandle().onMouseEventBefore(event)) {
                return;
            }
            if ((m_dragging) && (m_dragging_using_touches)) {
                event.preventDefault();
                // Ignore weird Mouse Move (0,0) in the middle of a Touch Drag on iOS/Safari
                return;
            }
            final NodeMouseMoveEvent nevent = new NodeMouseMoveEvent(event);
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            m_mouse_button_left = (event.getNativeButton() == NativeEvent.BUTTON_LEFT);
            m_mouse_button_middle = (event.getNativeButton() == NativeEvent.BUTTON_MIDDLE);
            m_mouse_button_right = (event.getNativeButton() == NativeEvent.BUTTON_RIGHT);
            onNodeMouseMove(nevent);
            event.preventDefault();
            m_viewport.getOnEventHandlers().getOnMouseMoveEventHandle().onMouseEventBefore(event);
        }
    });
    m_lienzo.addMouseUpHandler(new MouseUpHandler() {

        @Override
        public void onMouseUp(final MouseUpEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseUpEventHandle().onMouseEventBefore(event)) {
                // could have been set previously by a mousedown, it will need cleaning up
                m_dragging_mouse_pressed = false;
                m_dragging_ignore_clicks = false;
                m_dragging = false;
                return;
            }
            final NodeMouseUpEvent nevent = new NodeMouseUpEvent(event);
            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            m_mouse_button_left = (event.getNativeButton() == NativeEvent.BUTTON_LEFT);
            m_mouse_button_middle = (event.getNativeButton() == NativeEvent.BUTTON_MIDDLE);
            m_mouse_button_right = (event.getNativeButton() == NativeEvent.BUTTON_RIGHT);
            onNodeMouseUp(nevent);
            m_viewport.getOnEventHandlers().getOnMouseUpEventHandle().onMouseEventBefore(event);
        }
    });
    m_lienzo.addMouseDownHandler(new MouseDownHandler() {

        @Override
        public void onMouseDown(final MouseDownEvent event) {
            if (!m_viewport.getOnEventHandlers().getOnMouseDownEventHandle().onMouseEventBefore(event)) {
                return;
            }
            final NodeMouseDownEvent nevent = new NodeMouseDownEvent(event);
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            m_mouse_button_left = (event.getNativeButton() == NativeEvent.BUTTON_LEFT);
            m_mouse_button_middle = (event.getNativeButton() == NativeEvent.BUTTON_MIDDLE);
            m_mouse_button_right = (event.getNativeButton() == NativeEvent.BUTTON_RIGHT);
            onNodeMouseDown(nevent);
            event.preventDefault();
            m_viewport.getOnEventHandlers().getOnMouseDownEventHandle().onMouseEventBefore(event);
        }
    });
    m_lienzo.addMouseOutHandler(new MouseOutHandler() {

        @Override
        public void onMouseOut(final MouseOutEvent event) {
            final NodeMouseOutEvent nevent = new NodeMouseOutEvent(event);
            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseOut(nevent);
        }
    });
    m_lienzo.addMouseOverHandler(new MouseOverHandler() {

        @Override
        public void onMouseOver(final MouseOverEvent event) {
            final NodeMouseOverEvent nevent = new NodeMouseOverEvent(event);
            if (m_mediators.handleEvent(nevent)) {
                return;
            }
            onNodeMouseOver(nevent);
        }
    });
    m_lienzo.addMouseWheelHandler(new MouseWheelHandler() {

        @Override
        public void onMouseWheel(final MouseWheelEvent event) {
            final NodeMouseWheelEvent nevent = new NodeMouseWheelEvent(event);
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                event.stopPropagation();
            } else {
                fireEvent(nevent);
            }
        }
    });
    m_lienzo.addTouchCancelHandler(new TouchCancelHandler() {

        @Override
        public void onTouchCancel(final TouchCancelEvent event) {
            final NodeTouchCancelEvent nevent = new NodeTouchCancelEvent(event, getTouches(event));
            if (m_mediators.handleEvent(event)) {
                event.preventDefault();
                return;
            }
            onNodeMouseOut(nevent);
            event.preventDefault();
        }
    });
    m_lienzo.addTouchEndHandler(new TouchEndHandler() {

        @Override
        public void onTouchEnd(final TouchEndEvent event) {
            final NodeTouchEndEvent nevent = new NodeTouchEndEvent(event, m_touches);
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            onNodeMouseUp(nevent);
            event.preventDefault();
        }
    });
    m_lienzo.addTouchMoveHandler(new TouchMoveHandler() {

        @Override
        public void onTouchMove(final TouchMoveEvent event) {
            m_touches = getTouches(event);
            final NodeTouchMoveEvent nevent = new NodeTouchMoveEvent(event, m_touches);
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            onNodeMouseMove(nevent);
            event.preventDefault();
        }
    });
    m_lienzo.addTouchStartHandler(new TouchStartHandler() {

        @Override
        public void onTouchStart(final TouchStartEvent event) {
            m_touches = getTouches(event);
            final NodeTouchStartEvent nevent = new NodeTouchStartEvent(event, m_touches);
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            onNodeMouseDown(nevent);
            event.preventDefault();
        }
    });
    m_lienzo.addGestureStartHandler(new GestureStartHandler() {

        @Override
        public void onGestureStart(final GestureStartEvent event) {
            final NodeGestureStartEvent nevent = new NodeGestureStartEvent(event.getScale(), event.getRotation());
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            fireEvent(nevent);
            event.preventDefault();
        }
    });
    m_lienzo.addGestureEndHandler(new GestureEndHandler() {

        @Override
        public void onGestureEnd(final GestureEndEvent event) {
            final NodeGestureEndEvent nevent = new NodeGestureEndEvent(event.getScale(), event.getRotation());
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            fireEvent(nevent);
            event.preventDefault();
        }
    });
    m_lienzo.addGestureChangeHandler(new GestureChangeHandler() {

        @Override
        public void onGestureChange(final GestureChangeEvent event) {
            final NodeGestureChangeEvent nevent = new NodeGestureChangeEvent(event.getScale(), event.getRotation());
            if (m_mediators.handleEvent(nevent)) {
                event.preventDefault();
                return;
            }
            fireEvent(nevent);
            event.preventDefault();
        }
    });
}